"Mon, 19 Aug 2024 15:42:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
15:42:34
General datetime
2024-08-19 15:42:34Z
For Database
2024-08-19 15:42:34
For HTTP1.1
Mon, 19 Aug 2024 15:42:34 GMT